On 7/7/06, hadley wickham <h.wickham@gmail.com> wrote:
> I would like to take this:
>
> .img(plot(1:10), filename="a")
>
> and produce
>
> plot(1:10)
>
> ie. whenever .img is used, I want to take the first argument and throw
> away everything else.
>
> (I am trying to produce a Sweave like environment in which I can apply
> certain functions, but not have them displayed in the output)
>
> I think I should be able to do it using substitute, but I don't know
> how to operate on language objects. Any hints would be appreciated.
>
> Thanks,
>
> Hadley
>
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